Geography, 31.01.2020 20:52 genyjoannerubiera
Which of these are the two major sources of nitrate pollution in rivers? the burning of fossil fuels by factories and cars animal wastes and the burning of fossil fuels by cars animal wastes and fertilizers fertilizer runoff and the burning of fossil fuels by cars animal wastes and the burning of fossil fuels by factories
Answers: 3
Geography, 23.06.2019 00:40
Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.
Answers: 3
Geography, 23.06.2019 11:30
Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these
Answers: 1
Geography, 24.06.2019 05:30
Which did many cities ermerge along fall line in southern us
Answers: 1
Which of these are the two major sources of nitrate pollution in rivers? the burning of fossil fuel...
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